William O'Leary is an American

United States

The United States of America is a federal constitutional republic comprising fifty states and a federal district...

 actor

Actor

An actor is a person who acts in a dramatic production and who works in film, television, theatre, or radio in that capacity...

. Bill made his Broadway debut as "Art" in "Precious Sons" at the Longacre Theatre, (3/20/1986 - 5/10/1986) starring Ed Harris (1986 Drama Desk Award Winner)and Judith Ivey.
He played Marty Taylor, Tim Taylor's (Tim Allen

Tim Allen

Tim Allen is an American comedian, actor, voice-over artist, and entertainer, known for his role in the sitcom Home Improvement...

) little brother on Home Improvement. His most recent role is the primary antagonist, General Xaviax, on Kamen Rider: Dragon Knight

Kamen Rider: Dragon Knight

Kamen Rider: Dragon Knight is the Daytime Emmy Award-winning American adaptation of the Japanese tokusatsu series Kamen Rider Ryuki, the twelfth installment of the Kamen Rider Series. It was brought to television by Steve and Michael Wang and produced by Jimmy Sprague through Adness Entertainment...

.

He was born in Chicago

Chicago

Chicago is the largest city in the US state of Illinois. With nearly 2.7 million residents, it is the most populous city in the Midwestern United States and the third most populous in the US, after New York City and Los Angeles...

, Illinois

Illinois

Illinois is the fifth-most populous state of the United States of America, and is often noted for being a microcosm of the entire country. With Chicago in the northeast, small industrial cities and great agricultural productivity in central and northern Illinois, and natural resources like coal,...

. He graduated from Highland Park High School in Highland Park, IL (suburban Chicago) in 1976. He also earned his MFA at the prestigious Professional Actors Theatre Program at the University of Washington in Seattle in 1982.

Filmography

Year	Title	Role	Notes
1987	Nice Girls Don't Explode Nice Girls Don't Explode Nice Girls Don't Explode is a 1987 comedy film in which April Flowers is kept away from boys by her overprotective mother because flames have a tendency to spontaneously erupt whenever her hormones are aroused. For April, "protection" on a dinner date is carrying a fire extinguisher...	Andy
	Walker Walker (film) Walker is a 1987 Acid Western film directed by Alex Cox. The film based on the life story of William Walker , the American filibuster who invaded Mexico in the 1850s and made himself President of Nicaragua shortly thereafter. It was written by Rudy Wurlitzer and scored by Joe Strummer, who also...	James Walker
1988	Bull Durham Bull Durham Bull Durham is a 1988 American romantic comedy baseball film. It is based upon the minor league experiences of writer/director Ron Shelton and depicts the players and fans of the Durham Bulls, a minor league baseball team in Durham, North Carolina....	Jimmy
1989	Lost Angels	Link
1991	Flight of Black Angel Flight of Black Angel Flight of Black Angel is a 1991 TV aviation film directed by Jonathan Mostow, featuring William O'Leary and Peter Strauss.-Plot:...	Capt. Eddie Gordon, Callsign Black Angel
	Hot Shots! Hot Shots! Hot Shots! is a 1991 comedy spoof film starring Charlie Sheen, Cary Elwes, Valeria Golino, Lloyd Bridges, Kevin Dunn, Jon Cryer and Ryan Stiles . It was directed by Jim Abrahams, co-director of Airplane! , and was written by Abrahams and Pat Proft...	Pete 'Dead Meat' Thompson
1993	In the Line of Duty: Ambush in Waco	Adrian
1994–1999	Home Improvement	Martin "Marty" Taylor	30 episodes
1994	The Enemy Within	Lt. William Dorsett
1995–1996	Murder She Wrote	FBI Agt. Ed Crider	Two Episodes
1996	Candyman: Farewell to the Flesh Candyman: Farewell to the Flesh Candyman 2: Farewell to the Flesh is the 1995 sequel to the horror film Candyman, an adaptation of the Clive Barker short story "The Forbidden". It stars Tony Todd, Kelly Rowan, William O'Leary, Bill Nunn, Matt Clark and Veronica Cartwright.-Plot:...	Ethan Tarrant
	Project ALF Project ALF Project: ALF is a 1996 ABC TV movie directed by Dick Lowry. It is the sequel to the final episode, "Consider Me Gone" , of the ALF TV series...	Capt. Rick Mullican
1997	A Time to Revenge	Lyle Whittmar
	Mad City Mad City (film) Mad City is a 1997 drama film and thriller film written by Tom Matthews and Eric Williams, directed by Costa-Gavras, and starring Dustin Hoffman, John Travolta, Mia Kirshner, Alan Alda, Blythe Danner, Ted Levine, Raymond J. Barry, and Larry King.-Plot:...	CTN Junior Executive #1
2000	Daybreak	Mr. Smith
	The X-Files The X-Files The X-Files is an American science fiction television series and a part of The X-Files franchise, created by screenwriter Chris Carter. The program originally aired from to . The show was a hit for the Fox network, and its characters and slogans became popular culture touchstones in the 1990s...	Man at Gas Station	Episode: Roadrunners
2002–2003	CSI: Miami CSI: Miami CSI: Miami is an American police procedural television series, which premiered on September 23, 2002 on CBS. The series is a spin-off of CSI: Crime Scene Investigation....	Stewart Otis	Two Episodes: Broken, Body Count
2003	Terminator 3: Rise of the Machines Terminator 3: Rise of the Machines Terminator 3: Rise of the Machines, commonly abbreviated as T3, is a 2003 science fiction action film directed by Jonathan Mostow and starring Arnold Schwarzenegger, Nick Stahl, Claire Danes and Kristanna Loken...	Head of Security
2005	Miss Congeniality 2: Armed and Fabulous Miss Congeniality 2: Armed and Fabulous Miss Congeniality 2: Armed and Fabulous is a 2005 comedy film directed by John Pasquin, starring Sandra Bullock and Regina King. It is a sequel to the 2000 film Miss Congeniality....	Agent Jenkins
2009	Kamen Rider: Dragon Knight Kamen Rider: Dragon Knight Kamen Rider: Dragon Knight is the Daytime Emmy Award-winning American adaptation of the Japanese tokusatsu series Kamen Rider Ryuki, the twelfth installment of the Kamen Rider Series. It was brought to television by Steve and Michael Wang and produced by Jimmy Sprague through Adness Entertainment...	Xaviax	Main Cast
	24 24 (TV series) 24 is an American television series produced for the Fox Network and syndicated worldwide, starring Kiefer Sutherland as Counter Terrorist Unit agent Jack Bauer. Each 24-episode season covers 24 hours in the life of Bauer, using the real time method of narration...	Sid Paulson	Two Episodes

External links